package org.bouncycastle.bcpg;

/**
 * Basic tags for symmetric key algorithms
 */
public interface SymmetricKeyAlgorithmTags 
{
	
	   public static final int NULL = 0;                // Plaintext or unencrypted data
	   public static final int IDEA = 1;                 // IDEA [IDEA]
	   public static final int TRIPLE_DES = 2;   //Triple-DES (DES-EDE, as per spec -168 bit key derived from 192)
	   public static final int CAST5 = 3;              // CAST5 (128 bit key, as per RFC 2144)
	   public static final int BLOWFISH = 4;       // Blowfish (128 bit key, 16 rounds) [BLOWFISH]
	   public static final int SAFER = 5;              // SAFER-SK128 (13 rounds) [SAFER]
	   public static final int DES = 6;                   // Reserved for DES/SK
	   public static final int AES_128 = 7;           // Reserved for AES with 128-bit key
	   public static final int AES_192 = 8;           // Reserved for AES with 192-bit key
	   public static final int AES_256 = 9;           // Reserved for AES with 256-bit key
	   public static final int TWOFISH = 10;          // Reserved for Twofish
	   
}
